62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright (C) 2004-2017 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// The ARM simulator does not provide support for "fstat", which
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// causes "sbumpc" to return an incorrect value.
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// { dg-do run { xfail arm*-*-elf arm*-*-eabi } }
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// { dg-require-fileio "" }
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#include <cstdio>
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#include <fstream>
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#include <ext/stdio_sync_filebuf.h>
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#include <testsuite_hooks.h>
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void test3()
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{
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using namespace std;
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filebuf fbuf;
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fbuf.open("tmp_10063-3", ios_base::out | ios_base::trunc);
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fbuf.sputn("01234", 5);
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fbuf.close();
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FILE* file = fopen("tmp_10063-3", "r");
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int c = getc(file);
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VERIFY(c == '0');
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c = getc(file);
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VERIFY(c == '1');
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{
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__gnu_cxx::stdio_sync_filebuf<char> sbuf(file);
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c = sbuf.sbumpc();
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VERIFY(c == '2');
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c = sbuf.sbumpc();
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VERIFY(c == '3');
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c = sbuf.sbumpc();
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VERIFY(c == '4');
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c = sbuf.sgetc();
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VERIFY(c == EOF);
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}
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fclose(file);
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}
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int main()
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{
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test3();
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return 0;
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}
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